A061387 Sum of digits = 4 times number of digits.

4, 17, 26, 35, 44, 53, 62, 71, 80, 129, 138, 147, 156, 165, 174, 183, 192, 219, 228, 237, 246, 255, 264, 273, 282, 291, 309, 318, 327, 336, 345, 354, 363, 372, 381, 390, 408, 417, 426, 435, 444, 453, 462, 471, 480, 507, 516, 525, 534, 543, 552, 561, 570, 606

Offset: 1

Author

Amarnath Murthy, May 03 2001

Keywords

• nonn
• base
• easy

Examples

			147 is a term as the arithmetic mean of the digits is (1+4+7)/3 = 4.
		

Crossrefs

Cf. A061383, A061384, A061385, A061386, A061388, A061423, A061424, A061425.

Programs

Magma

[ n: n in [1..610] | &+Intseq(n) eq 4*#Intseq(n) ];  // Bruno Berselli, Jun 30 2011

Extensions

More terms from Larry Reeves (larryr(AT)acm.org), May 16 2001